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1. 发明授权

US4743652A Elastomeric copolymer of aromatic vinyl compounds and butadiene 失效
标题翻译：芳族乙烯基化合物和丁二烯的弹性共聚物
公开(公告)号：US4743652A
公开(公告)日：1988-05-10
申请号：US5400
申请日：1987-02-02
申请人： Nobuyuki Yoshida , Yasushi Okamoto , Akio Imai , Tomoaki Seki , Hiroshi Furukawa , Yuichi Saito
发明人： Nobuyuki Yoshida , Yasushi Okamoto , Akio Imai , Tomoaki Seki , Hiroshi Furukawa , Yuichi Saito
IPC分类号： C08F236/00 , C08C19/30 , C08C19/44 , C08F8/00 , C08F212/00 , C08F212/06 , C08F236/10 , C08F8/42
CPC分类号： C08C19/44
摘要： An elastomeric copolymer of an aromatic vinyl compound and butadiene prepared by a solution polymerization method, which has a glass transition temperature of not less than -50.degree. C. and contains polymer chains modified with a trifunctional or tetrafunctional coupling agent, and which contains not less than 3% by weight to less than 23% by weight, based on the whole polymer chains, of polymer chains having a molecular weight of at least 5 times a molecular weight corresponding to a peak appearing on the low molecular weight side of a high performance liquid chromatogram of the elastomeric copolymer. The elastomeric copolymer has an excellent processability and shows a low rolling resistance and a high wet grip characteristic when used as a rubber component in tires.
摘要翻译：通过溶液聚合法制备的芳族乙烯基化合物和丁二烯的弹性体共聚物，其具有不低于-50℃的玻璃化转变温度，并且包含用三官能或四官能偶联剂改性的聚合物链，并且不少于基于整个聚合物链，分子量至少为分子量的5倍的聚合物链的3重量％至小于23重量％，该分子量对应于高性能的低分子量侧上出现的峰弹性共聚物的液相色谱图。弹性体共聚物在轮胎中用作橡胶组分时具有优异的加工性能，并且具有低滚动阻力和高湿抓地性能。

2. 发明授权

US4523618A Branched polymer, process for the preparation thereof, tire tread rubber composition and tire 失效
标题翻译：支化聚合物，其制备方法，轮胎胎面橡胶组合物和轮胎
公开(公告)号：US4523618A
公开(公告)日：1985-06-18
申请号：US480348
申请日：1983-03-30
申请人： Keisaku Yamamoto , Nobuyuki Yoshida , Yasushi Okamoto , Akio Imai , Tomoaki Seki , Hiroshi Furukawa , Yuichi Saito
发明人： Keisaku Yamamoto , Nobuyuki Yoshida , Yasushi Okamoto , Akio Imai , Tomoaki Seki , Hiroshi Furukawa , Yuichi Saito
IPC分类号： C08F4/00 , B60C1/00 , C08C19/44 , C08F4/42 , C08F236/00 , C08F236/10 , C08L9/00 , B60C11/00
CPC分类号： C08C19/44 , B60C1/0016 , C08L9/00 , Y10S152/905 , Y10T152/10495
摘要： A branched polymer which is a butadiene homopolymer or a copolymer of an aromatic vinyl compound and butadiene and has a glass transition temperature of not less than -50.degree. C. and of which at least 70% by weight of the polymer chains has a branched structure in which high molecules are coupled by a trifunctional or tetrafunctional coupling agent, has an excellent roll processability as required in mixing a rubber component with additives and provides a rubber component for tire tread showing a low rolling resistance and an excellent wet skid resistance characteristic.
摘要翻译：作为丁二烯均聚物或芳族乙烯基化合物与丁二烯的共聚物的分支聚合物，其玻璃化转变温度不低于-50℃，其中至少70重量％的聚合物链具有支链结构其中高分子通过三官能或四官能偶联剂偶联，根据需要在橡胶组分与添加剂混合时具有优异的辊加工性，并提供了具有低滚动阻力和优异的抗湿滑性能的轮胎胎面用橡胶组分。

3. 发明授权

US4385151A Composition containing isoprene polymer 失效
标题翻译：含异戊二烯聚合物的组合物
公开(公告)号：US4385151A
公开(公告)日：1983-05-24
申请号：US324548
申请日：1981-11-24
申请人： Hiroshi Furukawa , Yuichi Saito , Akio Imai , Keisaku Yamamoto , Tomoaki Seki , Nobuyuki Yoshida
发明人： Hiroshi Furukawa , Yuichi Saito , Akio Imai , Keisaku Yamamoto , Tomoaki Seki , Nobuyuki Yoshida
IPC分类号： C08L9/00 , C08K3/06
CPC分类号： C08L9/00
摘要： A rubber composition containing an isoprene homopolymer or copolymer having a glass transition temperature of not less than -50.degree. C. and a Mooney viscosity of 20 to 120. The composition can provide a cured rubber having a high wet road gripping force and a small dynamic heat generating characteristic, and is very suitable for use in tires of automobiles.
摘要翻译：一种橡胶组合物，其含有玻璃化转变温度不低于-50℃，门尼粘度为20〜120的异戊二烯均聚物或共聚物。该组合物可以提供具有高湿道路夹紧力和小动态发热特性，非常适合用于汽车轮胎。

4. 发明授权

US4471093A Elastomer composition comprising a blend of SBR rubbers 失效
标题翻译：包含SBR橡胶的混合物的弹性体组合物
公开(公告)号：US4471093A
公开(公告)日：1984-09-11
申请号：US470506
申请日：1983-02-28
申请人： Hiroshi Furukawa , Yuichi Saito , Keisaku Yamamoto , Akio Imai , Nobuyuki Yoshida , Yasushi Okamoto
发明人： Hiroshi Furukawa , Yuichi Saito , Keisaku Yamamoto , Akio Imai , Nobuyuki Yoshida , Yasushi Okamoto
IPC分类号： B60C1/00 , C08L9/06 , C08L7/00
CPC分类号： C08L7/00 , B60C1/0016 , C08L9/06
摘要： A rubber composition having improved rolling resistance and wet grip characteristics with improved processability, abrasion resistance and durability which contains as a rubber component a mixture of a high molecular weight styrene-butadiene rubber having a specific microstructure and a low molecular weight styrene-butadiene and/or butadiene rubber having a specific microstructure. The composition is particularly suitable for use in tread of tires.
摘要翻译：一种具有改善的滚动阻力和湿抓地性能的橡胶组合物，具有改进的加工性，耐磨性和耐久性，其包含作为橡胶组分的具有特定微结构的高分子量苯乙烯 - 丁二烯橡胶和低分子量苯乙烯 - 丁二烯和/ 或具有特定微结构的丁二烯橡胶。该组合物特别适用于轮胎胎面。

5. 发明授权

US4482678A Diene rubber composition and tire using it in tread 失效
标题翻译：二烯橡胶组合物和轮胎使用它在胎面
公开(公告)号：US4482678A
公开(公告)日：1984-11-13
申请号：US525698
申请日：1983-08-23
申请人： Hiroshi Furukawa , Yuichi Saito , Akio Imai , Nobuyuki Yoshida , Yasushi Okamoto
发明人： Hiroshi Furukawa , Yuichi Saito , Akio Imai , Nobuyuki Yoshida , Yasushi Okamoto
IPC分类号： C08L7/00 , B60C1/00 , B60C11/00 , C08C19/44 , C08L9/00 , C08L21/00 , C08L9/06
CPC分类号： B60C1/0016 , C08C19/44 , C08L9/00
摘要： A diene rubber composition comprising as a main rubber component an elastomeric polymer having a glass transition temperature of not less than -50.degree. C. selected from the group consisting of a butadiene homopolymer and a copolymer of butadiene and an aromatic vinyl compound, said elastomeric polymer being one prepared by a solution polymerization method and not less than 40% by weight to less than 65% by weight of the polymer chains thereof being branched polymer chains formed by coupling the polymer molecules with each other with a trifunctional or tetrafunctional coupling agent. The composition has excellent rolling resistance characteristic, wet grip characteristic, processability, tear strength and tackiness, and is suitable particularly for use in the tread portion of tires.
摘要翻译：一种二烯橡胶组合物，其包含玻璃化转变温度不低于-50℃的弹性体聚合物作为主要橡胶组分，所述玻璃化转变温度选自丁二烯均聚物和丁二烯与芳族乙烯基化合物的共聚物，所述弹性体聚合物是通过溶液聚合法制备的，其不低于40重量％至小于65重量％的聚合物链是通过用三官能或四官能偶联剂将聚合物分子彼此连接而形成的支链聚合物链。组合物具有优异的滚动阻力特性，湿抓地性，加工性，撕裂强度和粘性，并且特别适用于轮胎的胎面部分。

6. 发明授权

US4537936A Diene rubber composition, method of preparing the same and tire employing said composition 失效
标题翻译：二烯橡胶组合物，其制备方法和采用所述组合物的轮胎
公开(公告)号：US4537936A
公开(公告)日：1985-08-27
申请号：US371020
申请日：1982-04-22
申请人： Hiroyoshi Takao , Keisaku Yamamoto , Akio Imai , Nobuyuki Yoshida , Hiroshi Furukawa , Yuichi Saito , Akio Okumura
发明人： Hiroyoshi Takao , Keisaku Yamamoto , Akio Imai , Nobuyuki Yoshida , Hiroshi Furukawa , Yuichi Saito , Akio Okumura
IPC分类号： B60C1/00 , C08F36/04 , C08L9/00 , C08L9/06
CPC分类号： C08F36/04 , B60C1/0016 , C08L9/00 , C08L9/06 , Y10S152/905
摘要： A diene rubber composition comprising 25 to 90 parts by weight of at least one high molecular weight diene rubber (A) having an intrinsic viscosity [.eta.] of at least 2.0 and a glass transition point of not lower than -50.degree. C. and 75 to 10 parts by weight of at least one low molecular weight diene rubber (B) having an intrinsic viscosity [.eta.] of 0.01 to 2.0, said composition having an average intrinsic viscosity of at least 1.8.Since this composition has an excellent wet grip and rolling resistance property and moreover has excellent processability, it is employed as tire tread rubber.
摘要翻译：一种二烯橡胶组合物，其包含25至90重量份的至少一种特性粘度η至少为2.0且玻璃化转变点不低于-50℃的高分子量二烯橡胶（A）和75 至10重量份的至少一种特性粘度η为0.01至2.0的低分子量二烯橡胶（B），所述组合物的平均特性粘度至少为1.8。由于该组合物具有优异的湿抓地性和滚动阻力性，而且具有优异的加工性，因此用作轮胎胎面胶。

7. 发明授权

US4436873A Conjugated diene block polymer and process for preparing the same 失效
标题翻译：共轭二烯嵌段聚合物及其制备方法
公开(公告)号：US4436873A
公开(公告)日：1984-03-13
申请号：US477583
申请日：1983-03-21
申请人： Hiroshi Furukawa , Yuichi Saito , Akio Imai , Keisaku Yamamoto , Hiroyoshi Takao , Nobuyuki Yoshida
发明人： Hiroshi Furukawa , Yuichi Saito , Akio Imai , Keisaku Yamamoto , Hiroyoshi Takao , Nobuyuki Yoshida
IPC分类号： C08F297/00 , C08F136/04 , C08F297/02
CPC分类号： C08F297/02 , C08F136/04
摘要： A conjugated diene block polymer composed of blocks having a different microstructure from each other such that one block contains 20 to 60% by mole of 1,2- and/or 3,4-bonding, the other block contains 50 to 90% by mole of 1,2- and/or 3,4-bonding, the difference in the 1,2- and/or 3,4-bonding content between the both blocks is from 20 to 50% mole and the average content of 1,2- and/or 3,4-bonding in the polymer is from 50 to 85% by mole. The block polymer has a high wet skid resistance and a low dynamic heat generating property, and is very useful as a material for automobile tires.
摘要翻译：共轭二烯嵌段聚合物由具有彼此不同微结构的嵌段组成，使得一个嵌段含有20至60摩尔％的1,2-和/或3,4-键，另一个嵌段含有50至90摩尔％的1,2-和/或3,4-键，两个嵌段之间的1,2-和/或3,4-键含量的差异为20-50％摩尔，平均含量为1,2 - 和/或3,4-键在聚合物中为50-85摩尔％。嵌段聚合物具有高的抗湿滑性和低动态发热性，并且作为汽车轮胎的材料是非常有用的。

8. 发明授权

US4737535A Rubber composition for tire tread 失效
标题翻译：轮胎胎面橡胶组合物
公开(公告)号：US4737535A
公开(公告)日：1988-04-12
申请号：US817949
申请日：1985-12-17
申请人： Hiroshi Furukawa , Yuichi Saito , Akio Imai , Nobuyuki Yoshida
发明人： Hiroshi Furukawa , Yuichi Saito , Akio Imai , Nobuyuki Yoshida
IPC分类号： C08L7/00 , B60C1/00 , C08K3/04 , C08K5/04 , C08K5/10 , C08K5/11 , C08K13/02 , C08L9/06 , C08L21/00
CPC分类号： C08K5/10 , B60C1/0016 , C08L21/00
摘要： A tire tread rubber composition which is improved in grip characteristic, steering stability characteristics and low-temperature characteristics, containing 15 to 50 parts by weight of a particular styrene-butadiene rubber obtained by solution polymerization containing polymer chains modified with trifunctional and/or tetrafunctional coupling agents, 50 to 85 parts by weight of at least one rubber selected from the group consisting of emulsion-polymerized styrene-butadiene rubber, natural rubber, synthetic polyisoprene rubber and butadiene rubber, at least one compound as plasticizer selected from the group consisting of a sebacic acid ester, an adipic acid ester and a fatty acid ester, and carbon black having an average particle size of not more than 30 m.mu..
摘要翻译： PCT No.PCT / JP85 / 00217 Sec。 371日期1985年12月17日第 102（e）日期1985年12月17日PCT申请1985年4月18日PCT公布。公开号WO85 / 04888 日期：1985年11月7日。一种改进了抓地性能，操纵稳定特性和低温特性的胎面橡胶组合物，其含有15〜50重量份通过溶液聚合得到的特定苯乙烯 - 丁二烯橡胶，使用三官能和/或四官能偶联剂，50至85重量份的选自乳液聚合的丁苯橡胶，天然橡胶，合成聚异戊二烯橡胶和丁二烯橡胶中的至少一种橡胶，至少一种化合物作为增塑剂选自癸二酸酯，己二酸酯和脂肪酸酯，平均粒径不大于30μm的碳黑。

9. 发明授权

US4918142A Rubber composition of tire tread containing block copolymer coupled with dicarboxylic acid ester 失效
标题翻译：含有二羧酸酯的嵌段共聚物的轮胎胎面橡胶组合物
公开(公告)号：US4918142A
公开(公告)日：1990-04-17
申请号：US320836
申请日：1989-03-08
申请人： Yuichi Saito , Takuzoh Yabuta , Hiroyoshi Takao , Akio Imai , Mitsuji Tsuji
发明人： Yuichi Saito , Takuzoh Yabuta , Hiroyoshi Takao , Akio Imai , Mitsuji Tsuji
IPC分类号： B29D30/52 , B60C1/00 , C08F297/04 , C08L21/00 , C08L53/00 , C08L53/02
CPC分类号： C08L21/00 , B60C1/0016 , C08F297/044 , C08L53/02 , C08L9/06
摘要： A rubber composition suitable for tire treads having well-balanced excellent steering stability in cornering, wet skid characteristic, ice skid characteristic and rolling characteristic, and an excellent processability, which comprises a rubber component containing a block copolymer consisting essentially of a block A and a block B, obtained by conducting polymerization of an aromatic vinyl compound and a conjugated diene compound in a hydrocarbon solvent in the presence of an organolithium initiator and modifying with a coupling agent, and satisfying the following conditions (A) to (E);(A) the block A having a content of an aromatic vinyl compound of 5 to 29% by weight and a content of 1,2-bonds in the conjugated diene component of 25 to 55% by weight,(B) the block B having a content of an aromatic vinyl compound of 35 to 60% by weight and a content of 1,2-bonds in the conjugated diene component of 20 to 70% by weight,(C) the content of the block A in the block copolymer being from 20 to 80% by weight,(D) the average content of the aromatic vinyl compound in the block copolymer being from 20 to 40% by weight and the average content of 1,2-bonds in the conjugated diene component of the block copolymer being from 20 to 60% by weight, and(E) at least 40% by weight of the polymer chains of the block copolymer being a branched polymer formed by modification with a trifunctional or tetrafunctional coupling agent.
摘要翻译：一种适用于轮胎胎面的橡胶组合物，其具有平衡优异的转弯转向稳定性，防滑特性，防滑特性和滚动特性以及优异的加工性能，其包括含有基本上由块A和嵌段B，其通过在有机锂引发剂的存在下在烃溶剂中进行芳族乙烯基化合物和共轭二烯化合物的聚合而获得，并且用偶联剂进行改性，并满足以下条件（A）至（E）; （A）具有5〜29重量％的芳族乙烯基化合物的含量和共轭二烯组分中的1,2-键含量为25〜55重量％的嵌段A，（B）嵌段B具有 35〜60重量％的芳香族乙烯基化合物的含量和共轭二烯成分中的1,2-键含量为20〜70重量％，（C）嵌段共聚物中嵌段A的含量为 20〜80重量％，（D）嵌段共聚物中芳族乙烯基化合物的平均含量为20〜40重量％，嵌段共聚物的共轭二烯成分中的1,2-键的平均含量为20〜60重量％，（E）嵌段共聚物的聚合物链的至少40重量％为通过三官能或四官能偶合剂改性形成的支链聚合物。

10. 发明授权

US4812527A Rubber composition for tire treads containing dicarboxylic acid diester coupled block polymers 失效
标题翻译：含有二羧酸二酯偶联嵌段聚合物的轮胎胎面橡胶组合物
公开(公告)号：US4812527A
公开(公告)日：1989-03-14
申请号：US112989
申请日：1987-10-27
申请人： Hiroyoshi Takao , Nabuyuki Yoshida , Akio Imai , Mitsuji Tsuji , Yuichi Saito
发明人： Hiroyoshi Takao , Nabuyuki Yoshida , Akio Imai , Mitsuji Tsuji , Yuichi Saito
IPC分类号： B60C1/00 , C08F297/04 , C08L53/00 , C08L53/02
CPC分类号： C08F297/044 , B60C1/0016 , Y10S152/905
摘要： A rubber composition suitable for tire treads having well-balanced excellent wet skid characteristic, ice skid characteristic and rolling characteristic, and an excellent processability, which comprises a rubber component containing at least 20% by weight of a block copolymer consisting essentially of a block A and a block B, obtained by conducting polymerization of an aromatic vinyl compound and a conjugated diene compound in a hydrocarbon solvent in the presence of an organolithium initiator and modifying with a coupling agent, and satisfying the following conditions (A) to (E);(A) the block A having a content of an aromatic vinyl compound of at most 5% by weight and a content of 1,2-bonds in the conjugated diene component of at least 10% by weight,(B) the block B having a content of an aromatic vinyl compound of 25 to 50% by weight and a content of 1,2-bonds in the conjugated diene component of at least 10% by weight,(C) a content of the block A in the block copolymer being from 20 to 80% by weight,(D) a content of the aromatic vinyl compound in the block copolymer being from 5 to 30% by weight and a content of 1,2-bonds in the conjugated diene component of the block copolymer being from 20 to 60% by weight, and(E) at least 40% by weight of the polymer chains of the block copolymer being a branched polymer formed by modification with a dicarboxylic acid diester.
摘要翻译：一种适用于轮胎胎面的橡胶组合物，具有平衡优异的湿滑特性，防滑特性和滚动特性，以及优异的加工性，其包含含有至少20重量％的基本上由块A 和通过在有机锂引发剂的存在下在烃溶剂中进行芳族乙烯基化合物和共轭二烯化合物的聚合而获得的嵌段B，并且用偶联剂进行改性，并满足以下条件（A）〜（E）; （A）具有至多5重量％的芳族乙烯基化合物含量的嵌段A和共轭二烯组分中的1,2-键的含量为至少10重量％，（B）嵌段B具有芳香族乙烯基化合物的含量为25〜50重量％，共轭二烯成分中的1,2-键含量为10重量％以上，（C）嵌段共聚物中的嵌段A的含量为 20〜80重量％，（D）嵌段共聚物中芳香族乙烯基化合物的含量为5〜30重量％，嵌段共聚物的共轭二烯成分中的1,2-键含量为 20至60重量％，和（E）至少40重量％的嵌段共聚物的聚合物链是通过用二羧酸二酯改性形成的支化聚合物。

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